There are ________ subtypes of T cells recognized to participate in the immune response.
A. 2
B. 5
C. 3
Answer: C
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Chicken pox is caused by the ________ virus
A) Herpes varicella B) Herpes zoster C) Herpes simplex type 1 D) Herpes simplex type 2
Autonomic tone refers to
A. whether a response is stimulatory or inhibitory. B. whether the body's reaction is to fight or to flee. C. the continual activity maintained by the sympathetic and parasympathetic divisions. D. the degree of tension in skeletal muscles at rest.
The skeletal system includes all but which of the following?
A. Bones B. Cartilage C. Ligaments D. Voluntary muscle
Pressure of the baby's head against the ________ stimulates an increasing level of ________ secretion, which strengthens and increases the rate of uterine contractions until birth of the baby.
A. body of the uterus; oxytocin B. cervix; oxytocin C. placenta; estrogens D. cervix; relaxin