1) nodding your head “yes” is an example of
a) lateral and medial rotation.
b) circumduction.
c) flexion and extension.
d) pronation and supination.
e) protraction and retraction.
2) small, wandering cells that engulf cell debris and pathogens in the cns are called
a) astrocytes.
b) satellite cells.
c) oligodendrocytes.
d) microglia.
e) ependymal cells.
3) a lever consists of
a) a tendon and a muscle.
b) a rigid structure.
c) a fulcrum.
d) a bone, a muscle, and a nerve.
e) a rigid structure and a fulcrum.
4) the study of the function of specific organ systems is called
a) systemic physiology.
b) organ physiology.
c) cell physiology.
d) pathological physiology.
e) histology.
5) prolonged inspirations can result from stimulating the ________ center.
a) apneustic
b) pneumotaxic
c) expiratory
d) baroreceptor
e) chemoreceptor
6) the hormone produced by the pars intermedia of the adenohypophysis during early
childhood is
a) fsh.
b) adh.
c) tsh.
d) msh.
e) acth.
7) why would an elderly person be more prone to skin infections than a younger
person?
a) skin repairs take longer in the elderly.
b) the epidermis is thinner in the elderly.
c) there are fewer dendritic cells in the skin of the elderly.
d) basal cell activity is reduced in the elderly.
e) all of the answers are correct.
8) the lining of the medullary cavity is called the
a) endosteum.
b) periosteum.
c) epimysium.
d) perimysium.
e) perichondrium.
9) the common pathway of coagulation begins with the
a) sticking of platelets to damaged tissue.
b) activation of a proenzyme exposed to collagen.
c) release of tissue factor by damaged endothelium.
d) conversion of factor x to prothrombinase.
e) conversion of fibrinogen to fibrin.
10) the organ that provides mechanical protection and nutritional support for the
developing embryo is the
a) vagina.
b) uterine tube.
c) ovary.
d) uterus.
e) cervix.
11) during the secretory phase of the menstrual cycle
a) the fertilized ovum implants.
b) progesterone levels are high.
c) endometrial glands enlarge.
d) the corpus luteum is formed.
e) all of the answers are correct.
12) splanchnic nerves
a) originate from first-order neurons located in the upper five thoracic segments of the
spinal cord.
b) consist of axons that synapse in collateral ganglia.
c) control sympathetic function of structures in the thorax.
d) connect chain ganglia.
e) are formed of parasympathetic fibers.
13) during ionization, water molecules disrupt the ionic bonds of a salt to produce a
mixture of ions. these ions can carry a current and so are called
a) cations.
b) anions.
c) acids.
d) electrolytes.
e) counterions.
14) which of the following is the origin of the bulbospongiosus in the female?
a) ischial spine
b) inferior ischial ramus
c) linea alba and pubis
d) coccyx
e) collagen sheath at the base of the clitoris
15) the vessel that supplies a capillary plexus from an arteriole is called a(n) ________.
16) sometimes, when it is difficult to initiate a knee-jerk reflex by tapping the patellar
tendon, a patient will be asked to voluntarily make a fist. then the reflex will be easily
evoked. what does this illustrate about the relation between voluntary and involuntary
reflex movement?
17) an elderly patient has a broken femur that is healing very slowly. a young resident
suggests using a device that will create an electrical field in the area of the fracture to
help speed the healing process. why might this possibly help?
18) what is a reflex arc? what components must be present to qualify?
19) the first menses is called the ________.
20) the ________ principle states that the size and speed of the action potential are
independent of the stimulus strength.
21) in cells that are not dividing, chromosomes uncoil to form a tangle of fine fibers
known as ________.
22) stem cells that can differentiate into osteoblasts are called ________ cells.
23) the gradual modification of anatomical structures and physiologic characteristics
from fertilization to maturity is termed ________.