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Terms in this set (51)
Some women suffer from severe cramps during their menstrual cycles, requiring medical attention. This is a condition called dysmenorrhea. Based on your knowledge of the female reproductive tract, which structure most likely causes this condition?
During which process does the shedding of the endometrium occur?
In which structure does fertilization take place?
what tissue in the gastrula gives rise to muscle?
The zona pellucida
acts as a binding site for the sperm head
What hormone is responsible for milk production and secretion during and after pregnancy?
During labor, what type of feedback mechanism involves the release of oxytocin, which stimulates the uterus to contract, and these contractions stimulate the release of more oxytocin resulting in ever stronger contractions?
What is the name of the embryo when it first contains three cell layers?
The Zika virus is particularly dangerous to an unborn child during
the first 3 month of pregnancy
Which method of birth control protects against sexually transmitted infections?
none of these do: the pill, cervical cap, intrauterine device
Which of the following sexually transmitted infections has no cure?
Pitocin, a synthetic version of an oxytocin, is sometimes given to women just prior to labor and delivery. What does pitocin do?
causes the uterus to contract
What hormones function in both the male and female reproductive system?
luteinizing hormone and follicle-stimulating hormone
The detection of which of the following hormones would indicate pregnancy?
human chorionic gonadotropin hormone made by the early embryo
A surge in which hormone is responsible for ovulation?
The uterine lining is called the ________.
Which sense is a general sense?
What are the basic functional units of the nervous system?
Arrange the following neurons into the correct sequence for information flow during the withdrawal reflex after you touch a hot burner on a stove.
sensory neuron, interneuron, motor neuron
Which symptoms would arise from a disease that led to the degeneration and death of nerves that make up the peripheral nervous system?
loss of voluntary muscle control
Which structures would be classified as effectors?
Which structures would be classified as effectors?
What is proprioception?
the sense of the position of the body
A blow to which part of the head could lead to loss of vision?
Which part of the brain is responsible for controlling muscle movement, balance, and coordination?
Where are higher brain functions, such as creativity and analytical skills, centered?
Damage to which of the following brain structures is most likely to be fatal?
What part of the neuron receives nerve impulses and acts as an "antenna"?
What would a nerve poison that blocked neurotransmitter receptors on the dendrites do?
It would prevent transmission across the synaptic cleft.
You suspect that your roommate may be abusing drugs. He exhibits the following symptoms: aggressiveness, bursts of extreme energy followed by "crash" periods, and delusions. Which drug may be responsible?
Which action causes the release of neurotransmitter molecules?
an electrical signal reaching the terminal bouton
Which of the following special senses uses hair-like receptor cells?
How would the speed at which the action potential travels down the axon be affected by decreased myelination of the axon?
It would decrease.
What part of the neuron houses the nucleus?
When did humans begin the practice of agriculture?
11,000 years ago
Almost all agricultural plants are classified as
seed coats, embryo, stored food
What is the reproductive organs of a plant?
To which of the following groups of plants are insect pollinators most important?
In flowering plants, eggs are to ovules as
sperm are to pollen.
A waste product of photosynthesis, of no value to the plant, is
As the guard cells ________, the stomata become ________.
What type of growth does a plant exhibit when its trunk gets thicker?
Why do plants containing nitrogen-fixing bacteria in their roots need less nitrogen-based fertilizer than others?
The bacteria convert nitrogen in the air into a form that can be taken up by the plants.
Plants grow taller at their growing tips, or ________. This form of growth is also known as ________ growth.
apical meristem; primary
The loss of fertilizer and pesticides from soil when water moves through it is called
Which of the following would make agricultural practices more sustainable?
integrated pest management
In plants, the mature ovaries containing seeds are called
Sugars that are formed by photosynthesis in leaves can travel to underground storage structures via
What food source provides most of the calories in a typical American diet?
What are staple crops?
the major agricultural sources of calories in a society
White wheat flour is made from the tissue within the wheat kernel that nourishes the developing wheat embryo. What is this tissue called?
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