In humans, normal chewing involves ________ and ________ of the mandible.
A) opposition; reposition
B) elevation; pronation
C) elevation; depression
D) supination; depression
E) protraction; retraction
(
Question 2) The bicarbonate buffer system would not work very well in the human body if not for the action of the respiratory system, which ________.
A) expels H+ produced by the buffer system
B) expels HCO3- produced by the buffer system
C) supplies the buffer system with CO2
D) expels CO2 produced by the buffer system
E) supplies the buffer system with O2
(
Question 3) Thyrotropin-releasing hormone targets the ________.
A) posterior pituitary
B) thyroid hormone
C) anterior pituitary
D) hypothalamus
E) thyroid gland
(
Question 4) The crossed extension reflex is the contraction of the extensors on one side of the body when the flexors are contracted on the other side.
Indicate whether the statement is true or false
(
Question 5) Sperm cells get energy to power their movement from ________, which is contributed by the ________.
A) sucrose; bulbourethral gland
B) seminogelin; prostate gland
C) fructose; seminal vesicles
D) prostaglandins; prostate gland
E) semen; seminiferous gland
(
Question 6) Which buffer system accounts for 75 of all chemical buffering in the body fluids?
A) The bicarbonate system
B) The ammonium buffer system
C) The carbonic acid system
D) The protein buffer system
E) The phosphate system
(
Question 7) Skeletal muscle is described as ________.
A) fibrous and containing ground substance
B) striated and involuntary
C) striated and voluntary
D) nonstriated and involuntary
E) nonstriated and voluntary
(
Question 8) Raising an arm to one side of the body to stop a taxi, is an example of ________ of the shoulder.
A) abduction
B) protraction
C) adduction
D) rotation
E) circumduction
(
Question 9) The ________ system provides protection, water retention, thermoregulation, and vitamin D production.
A) digestive
B) lymphatic
C) integumentary
D) muscular
E) skeletal
(
Question 10) The anterior pitiurary is ________ than the posterior pituitary and has ________ connection to the hypothalamus.
A) larger; no nervous B) larger; a nervous
C) smaller; a nervous D) smaller; no nervous
Quick Reply
