The systemic circuit contains oxygen-rich blood only.
Indicate whether the statement is true or false
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Question 2) The spheroidal stage of early prenatal development with about 16 to 64 cells is called a(n) ________.
A) zygote B) morula C) blastomere D) embryo E) blastocyst
(
Question 3) Which of the following is a product of glycolysis?
A) Lactic acid
B) Acetyl-CoA
C) Pyruvic acid
D) Glucose
E) Carbon dioxide
(
Question 4) During muscle contraction, a single myosin head consumes ATP at a rate of about ________ ATP per second.
A) 7 B) 1 C) 5 D) 3 E) 9
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Question 5) Spicules and trabeculae are found in ________.
A) red bone marrow
B) yellow bone marrow
C) bone matrix
D) compact bone
E) spongy bone
(
Question 6) Channel protein gates respond to all these stimuli except ________.
A) chemical messengers
B) physical deformation of the plasma membrane
C) changes in electrical potential (voltage) across the plasma membrane
D) ligands
E) water in the extracellular fluid
(
Question 7) What is the largest of the cranial nerves and the most important sensory nerve of the face?
A) Hypoglossal nerve (XII)
B) Trigeminal nerve (V)
C) Accessory nerve (XI)
D) Facial nerve (VII)
E) Abducens nerve (VI)
(
Question 8) The pulmonary circuit is supplied by both the right and the left sides of the heart.
Indicate whether the statement is true or false
(
Question 9) 80 of the lactic acid produced by skeletal muscle is converted to pyruvic acid by the ________.
A) liver
B) sarcoplasmic reticulum
C) neuromuscular junction
D) kidneys
E) muscle tissue
(
Question 10) According to the Bohr effect, a low level of oxyhemoglobin enables the blood to transport more CO2.
Indicate whether the statement is true or false
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