Which of the following is not an intrinsic muscle of the head?
A. Temporalis
B. Frontalis
C. Sternocleidomastoid
D. Risorius
E. Nasalis
C. Sternocleidomastoid
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When pressure inside the capillary exceeds pressure on the outside, fluid is pushed out through the pores in a process known as:
a. passive diffusion b. ultrafiltration c. active osmosis d. phagocytosis e. infusion
During vomiting, the
a. diaphragm contracts. b. abdominal muscles contract. c. stomach contracts. d. both the diaphragm and the abdominal muscles contract. e. all of these answers.
Summation
a. results from increases in cystolic calcium levels. b. a decreased in the rate of firing of the motor neuron c. produces weaker than normal contractions d. rarely results in tetany. e. none of these answers.
Which of the following events near the end of pregnancy might indicate parturition is near?
A. The fetal heart rate increases to greater than 160 beats per minute. B. The cervix gradually constricts. C. The uterus begins regular contractions. D. The cervix shrinks. E. The amniotic sac becomes edematous.