What are the criteria for scoring stage N1?
What structure keep the AV valves from everting under high ventricular pressure?
a. Interventricular and interatrial septa.
b. Papillary muscles and chordae tendineae.
c. Annuli fibrosis.
d. Semilunar valves.
Which of the following is NOT a benefit of effective health care teams?
A. Improved coordination of care
B. Less efficient use of health care services
C. Increased job satisfaction among team members
D. Higher patient satisfaction
What is the functional advantage of the alveolar walls being so thin?
Which of the following is the best definition of quality of life?
a. overall satisfaction that a person gets from life
b. nutritious food leading to a lot of energy
c. freedom from illness and disease
d. one's ability to pay his or her own bills
Which of the following is NOT true of water-soluble hormones?
a. Large hormones need fenestrated capillaries to move out of the bloodstream.
b. Most readily diffuse through capillary walls.
c. Can dissolve in the blood as free hormones.
d. Some may have carbohydrates attached to give a longer half-life.
e. Rapidly degraded by proteases in the bloodstream.
This is the primary gas exchange site.
A) Trachea
B) Bronchiole
C) Nasal sinuses
D) Alveolus
E) Bronchus
What are the chemical messengers of the human body called?
a. Effectors
b. Target cells
c. Hormones
d. Neurons
e. Stimuli
Which of the following is not true?
A. Vitamin C is not stored in any significant amount in the body
B. Citrus fruits are great sources of vitamin C
C. Once vitamin C has reduced a free radical, it is effectively regenerated and therefore it can exist in the body as a functioning antioxidant for many weeks
D. Only a small amount of vitamin C is lost from foods during boiling
E. None of these
Which of the following muscles flexes the thigh at the hip?
a. Iliopsoas muscle
b. Biceps femoris muscle
c. Vastus intermedius muscle
d. Gluteus medius muscle
Which of the following is not a means of mechanical digestion?
a. mastication
b. segmentation
c. stomach churning
d. chewing
e. peristalsis
A contractile response of a single muscle fiber to a single muscle impulse is called ____________.
The part of the eye that is the "blind spot" is the __________.
A. pupil
B. retina
C. posterior cavity
D. optic disc
True or False: A dermatome is an area of skin that is innervated by the cutaneous branches from one spinal nerve pair.
What health risks are involved in a sharps-related injury?