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Anatomy Semester II Final
the release of the oocyte from ovary
which of the following glands are responsible for 60% of the synthesis of semen?
Fertilization generally occurs in the ____
which hormone is absolutely necessary for ovulation to occur
Once fertilization has occurred, the activities of development begin. The first activity is ___
an increase in cell number
During the _______ stage of development, the human embryo implants in the uterine wall
In the human, this germ cell layer gives rise to the many organ systems, including the skeleton, skeletal muscles, wall of GI organs, urinary system and circulator system.
This cord attaches the embryo to the placenta.
What organs appear very early in development?
Brain and heart
The most numerous blood cells are ____?
red blood cells
This formed element is essential for blood clotting.
The major pumping chambers of the heart are:
47. How many heart valves are there?
49. Which side of the heart receives blood from the body and pumps it to the lungs?
51. Cardiac muscle tissue
is striated. Like the skeletal muscle tissue
53. What is the name of the circuit that supplies blood to the brain, heart and gastrointestinal tract.
48. What is true about heart valves?
they enforce a one-way blood flow through the heart, operate passively, and separate the atria
50. The pulmonary trunk and arteries are color-coded ______ on models and in pictures, because they carry ____ blood:
52. These vessels carry oxygenated blood:
Aorta and pulmonary Veins
30. Implantation of the blastocyst in the uterine wall is complete by day ____ after ovulation?
32. The function of the cleavage is to:
increase the number of cells forming the blastocyst
34. The 3 primary germ layers develop during this stage of human fetal development:
36. All exchanges between mother and embryo occur________:
across the chorionic membranes
38. The placenta is formed by:
maternal and fetal tissues
40. Development progresses________:
in rostral to caudal and proximal to distal directions
42.These are the most abundant leukocytes constituting 40-70% of all white blood cells:
44. The major function of the red blood cells (RBC) is to:
transport Oxygen and Carbon Dioxide
46. The shapes and thickness of the walls of the right ventricle compared to the left are:
different; Left ventricle is egg-shaped (round in cross section) with thicker walls
Which hormone controls the release of anterior pituitary gonadotropins:
Development of male reproductive structures depends on which events?
Secretion of male hormones parentally and lasting in to the first few months after birth
17. The constancy of the chromosome number from one cell generation to the next is maintained through_____:
15. The primary function of the uterus is to______:
receive, retain, and nourish a fertilized ovum
16. Fertilization generally occurs in the _______:
7. Where the fetus develops and grows:
8. The release of oocyte from ovary:
9. External sac enclosing the testes:
10. Erectile tissue in the male:
11. Female homologue of the scrotum
18. Spermiogenesis involves the _____:
formation of a functional sperm by the stripping away of superfluous cytoplasm
19. Normally menstruation occurs when_____:
blood levels of estrogen and progesterone decrease
20. Which hormone is absolutely necessary for ovulation to occur?
72. Site where resistance to blood flow is greatest:
73. Site where exchanges of food are gases are made:
74. Site where blood pressure is the lowest:
75. Site where the velocity of the blood flow is fastest:
76. Site where the velocity of blood flow is the slowest:
77. Site where the blood volume is greatest:
78. Site where blood pressure is greatest:
79. Site that is the major determinant of peripheral resistance:
85. Olfactory receptor cells differ from all other receptors for special senses in that they____.:
C. are neurons
86. The olfactory epithelium_______:
A. contains olfactory receptor cells
87. Taste receptor cells are also called_____:
A. gustatory cells
88. Acids primarily activate receptors that respond to _____ tastes:
89. Salty taste seems to be due to ______:
B. Na+ ions
90. Airborne chemicals are most likely to stimulate ______:
C. olfactory receptors
91. Like olfactory support cells, olfactory receptor cells______:
D. continually reproduce
106. Farsightedness is more properly called ______:
107. Seventy percent of all sensory receptors are located in the:
108. Motion Sickness seems to_______:
C. result from mismatch between visual and vestibular inputs
109. The blind spot of the eye is where______.:
A. the optic nerve leaves the eye
110. Tinnitis, vertigo, and gradual hearing loss typify the disorder called ______.:
D. meniere's syndrome
111. Light passes through the following structures in which order?
C. cornea, aqueous humor, lens, vitreous humor
112. Auditory Area:
A. Temporal Lobe
113. Primary sensory cortex:
B. Parietal lobe
114. Somatic motor cortex:
C. Frontal lobe
115. Motor speech area:
C. Frontal lobe
116. Premotor area:
C. Occipital lobe
117. Visual area:
C. Occipital lobe
118. Taste (gustatory) area:
119. Seat of intelligence, abstract reasoning:
B. Frontal lobe
120. This part of the peripheral nervous system controls smooth muscle, cardiac muscle, and glands:
B. autonomic nervous system
121. The surface of the cerebral hemispheres consists of ridges and grooves.The shallow grooves are called ______.:
122. The central sulcus of each cerebral hemisphere separates the ______.:
B. frontal and parietal lobes
123. In which lobe of the brain is the primary visual cortex located?:
124. The thalamus and the hypothalamus are structures found in the ______.:
125. This part of the brain stem is continuous with the spinal cord:
C. medulla oblongata
126. The corpus callosum_______.:
D. consists of fibers that connect the cerebral hemispheres
127. Three meninges cover the brain and spinal cord. The innermost one is called the ______.:
128. The precentral gyrus _______.:
C. is a major motor area of the brain
129. Which of the choices below describes the ANS?
A. motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands
130. Which of the following describes the nervous system integrative function?:
C. analyzes sensory information, stores info, and makes decisions
131. The part of the neuron that conducts impulses away from its cell body is called an:
132. An impulse from one nerve cell is communicated to another nerve cell via the _______.:
133. Collections of nerve cell bodies outside the central nervous system are called ________:
134. The term "central nervous system" refers to the _______:
D. brain and spinal cord
135. The substance released at axon terminals to propagate a nervous impulse is called an_______.:
136. The brain stem consists of the _______.:
A. midbrain, medulla, pons
137. The vital centers for the control of heart rate, respiration, and blood pressure are located in the medulla _______.:
138. Which fissure separates the cerebral hemispheres?:
C. longitudinal fissure
139. Which of the following best describes the cerebrum?:
C. executive suite
140. A shallow groove on the surface of the cortex is called a ______.:
141. The hypothalamus _______.:
D. is the thermostat of the body since it regulates temperature
142. Which of the following would you not find in normal cerebrospinal fluid?
D. red blood cells
143. A muscle group that works with and assists the action of a prime mover is a ________.:
144. Which of the choices below is the major muscle for breathing?:
145. The actual contractile units of muscles extend from Z disc to Z disc. They are _______.:
146. This contractile protein forms the thin filaments:
147. The dark band of skeletal muscle results from the alignment of _______:
C. thick filaments
148. A neuron and all the muscle fibers it stimulates is called a ______:
B. motor unit
149. The function of the neuromuscular junction is to ______:
D. convey an impulse from the nervous system to skeletal muscle
150. These nervous system cells are highly specialized to transmit messages throughout the body:
151. These support cells are found in the central nervous system:
152. This part of the neuron generates and conducts action potentials:
153. Muscles are named based on all the criteria below except ______.:
A. weight of the muscle
154. This muscle is used in smiling:
155. This powerful muscle is the prime mover of arm extension:
C. latissimus dorsi
156. What is the main factor that determines the power of a muscle?
C. the total number of muscle cells available for contraction
157. What is a muscle that provides the major force for producing a specific movement called?
A. an agonist
158. When the term biceps, triceps, or quadriceps forms part of a muscle's name, what does it tell you about the muscle?
B. the muscle has two, three, or four origins respectively
159. Which of the following statements is true regarding the total number of skeletal muscles in the human body?
B. there are over 600 muscles in the body
160. During vigorous exercise, there may be insufficient oxygen available to completely break down pyruvic acid for energy. As a result, the pyruvic acid is converted to ______:
B. lactic acid
161. What is the most distinguishing characteristic of muscle tissue?
C. the ability to transform chemical energy into mechanical energy
162. Three discrete types of muscle fibers are identified on the basis of their size, speed, and endurance. Which of the following athletic endeavors best represents the use of red fibers?
D. a long relaxing swim
163. Muscle tissue has all of the following properties except ______:
164. Which of the following is the correct sequence of events for muscle contractions?
B. motor neuron action potential (I didn't write them all, but this is the first one)
165. The main effect of the warm-up period of athletes, as the muscle contractions increase in strength, is to _______.:
C. enhance the availability of calcium and the efficiency of enzyme systems
166. What is the functional unit of skeletal muscle called?
167. The oxygen-binding protein found in muscle cells is_____:
168. The contractile units of skeletal muscles are ______.:
169. Rigor mortis occurs because _______.:
A. no ATP is available to release attached actin and myosin molecules
170. During muscle contraction, myosin cross bridges attach to which active sites?
A. actin filaments