1) achondroplastic dwarfism is a hereditary condition, in which the long bones of the
limbs fail to elongate normally because of reduced hyperplasia and hypertrophy of
cartilage in the __________.
a. primary ossification center
b. secondary ossification center
c. primary bone marrow
d. secondary bone marrow
e. epiphyseal plate
2) urine retention is a greater problem for elderly men than for elderly women because
men __________.
a. can develop benign prostatic hyperplasia
b. have larger bladders
c. have weaker urinary sphincters
d. have narrower ureters
e. have fewer glomeruli
3) the sodium-potassium (na+-k+) pump transports both sodium and potassium
__________ their concentration gradients in a process called ____________.
a. up; active transport
b. up; facilitated transport
c. up; cotransport
d. down; active transport
e. down; countertransport
4) memory t cells can be up to __________ old.
a. weeks
b. days
c. decades
d. years
e. months
5) which of the following might be injected into a patient who is prone to forming
blood clots and therefore at risk of a heart attack or stroke?
a. thromboplastin
b. fibrinogen
c. fibrin
d. heparin
e. factor x
6) after six months of lifting weights at the gym, you notice that some of your muscles
have increased in size. this increase in size is due to __________ of muscle cells.
a. hyperplasia
b. neoplasia
c. hypertrophy
d. metaplasia
e. atrophy
7) what type of shock can be produced by hemorrhage, severe burns, or dehydration?
a. anaphylactic
b. cardiogenic
c. hypovolemic
d. venous pooling
e. neurogenic
8) during exercise, which of the following directly increases respiratory rate?
a. increased h+ level in the blood
b. the bohr effect
c. reduced blood ph
d. reduced oxyhemoglobin
e. anticipation of the needs of exercising muscle
9) cardioinhibitory centers in the __________ receive input from __________.
a. cortex; proprioceptors in the muscles
b. thalamus; chemoreceptors in the medulla oblongata
c. hypothalamus; proprioceptors in the joints
d. medulla oblongata; chemoreceptors in the aortic arch
e. pons; baroreceptors in the internal carotid
10) which of the following does nothave potentially teratogenic effects?
a.smoking
b.alcohol
c.infectious diseases
d.sunlight
e.x-rays
11) which of the following results in heat exhaustion?
a.extreme electrolyte loss via sweat
b.denaturation of proteins in the brain tissue
c.excessive heat loss from the body
d.a high rate of conduction and convection
e.a high humidity that retards evaporative cooling
12) tendinous intersections divide the __________ into segments that are externally
visible on the abdomen of a well-muscled person.
a. vastus lateralis
b. serratus anterior
c. rectus abdominis
d. quadriceps femoris
e. transverse abdominal
13) which organelle synthesizes steroids in the ovary and stores calcium in muscle
cells?
a. smooth endoplasmic reticulum
b. rough endoplasmic reticulum
c. nucleus
d. mitochondrion
e. golgi complex
14) __________ secretion is controlled by neuroendocrine reflexes, whereas
__________ secretion is controlled by negative feedback mechanisms.
a. thyroid stimulating hormone (tsh); luteinizing hormone (lh)
b. oxytocin (ot); antidiuretic hormone (adh)
c. antidiuretic hormone (adh); oxytocin (ot)
d. antidiuretic hormone (adh); thyroid stimulating hormone (tsh)
e. follicle-stimulating hormone (fsh); luteinizing hormone (lh)
15) which of the following statements is true regarding parasympathetic tone?
a. it holds the resting heart rate below its intrinsic rate.
b. it accelerates the resting heart rate above its intrinsic rate.
c. it might increase or decrease heart rate depending on the situation.
d. it affects heart rate only after myocardial infarction.
e. it does not affect heart rate.
16) the __________ division carries signals to the smooth muscle in the large intestine.
a. visceral sensory
b. somatic sensory
c. visceral motor
d. somatic motor
e. afferent
17) the __________ secretes a hormone that increases the body’s metabolic rate,
promotes alertness, quickens reflexes, and stimulates the fetal nervous system.
a. thyroid gland
b. pancreas
c. adrenal gland
d. parathyroid gland
e. thymus
18) the acrosome contains enzymes used to __________.
a. dissolve the mucosa of the vagina
b. dissolve the mucosa of the uterus
c. dissolve the stickiness of the semen
d. penetrate the vagina
e. penetrate barriers surrounding the ovum
19) chondrocytes multiply in the zone of __________ of themetaphysis.
a. reserve cartilage
b. cell proliferation
c. cell hypertrophy
d. calcification
e. bone deposition
20) in which compartment would fluid accumulate in edema?
a. intracellular fluid
b. transcellular fluid
c. tissue (interstitial) fluid
d. blood plasma
e. lymph