WGU C107 ANATOMY AND PHYSIOLOGY COMPREHENSIVE
STUDY GUIDE WITH QUESTIONS AND VERIFIED
SOLUTIONS GRADED A+ NEWEST 2024 EDITION
What are the 2 main functions of the lymphatic system? - (correct answer) Pathogen
defense; clearance of interstitial fluid
Which lymphatic organ is the site of maturation of T lymphocytes - (correct answer)
Thymus
Itching can be directly caused by which of the following - (correct answer) Histamine
Movement of lymph through lymphatic vessels is directly affected by which of the
following? - (correct answer) Skeletal muscle contraction
Which lymphatic structure is most attuned to attacking inhaled bacteria? - (correct
answer) Tonsils
All leukocytes originally derive from the _______________. - (correct answer) Red
bone marrow
All leukocytes (white blood cells) come from the _________________. - (correct
answer) Red bone marrow
Excess interstitial fluid is taken up by the __________________________. - (correct
answer) Lymphatic capillaries
Which of the following represents the correct pathway of lymph? - (correct answer)
Lymphatic capillaries, lymph nodes, lymphatic duct, subclavian vein
Pathogens in the blood can be detected by immune cells in the __________________. -
(correct answer) Spleen
Which structures have walls that are only one cell thick and are part of the respiratory
membrane across which gas exchange occurs? - (correct answer) Alveoli
Structures in the upper respiratory tract serve to add moisture and remove bacteria from
inhaled air. - (correct answer) True
Which respiratory structure would NOT come into contact with air breathed in through
the mouth? - (correct answer) Nasopharyx
Which respiratory structure prevents food from entering the trachea during swallowing?
- (correct answer) Epiglottis
,The process of moving air from the atmosphere to the alveoli and back out again is
called - (correct answer) Ventilation
The vocal folds are located in which respiratory structure? - (correct answer) Larynx
The primary function of the ______________________ is to warm and moisten air. -
(correct answer) Nasal conchae
What is the correct pathway of air during exhalation? - (correct answer) Alveoli,
bronchi, trachea, larynx
Which division of the pharynx is part of the respiratory and digestive systems? -
(correct answer) Laryngopharynx
Blood vessels and mucus glands are found in which layer of the trachea? - (correct
answer) Submucosa
During ______________________, there is an exchange of oxygen and carbon dioxide
between the lungs and the blood. - (correct answer) External respiration
During __________________, there is an exchange of oxygen and carbon dioxide
between the blood and the cells. - (correct answer) Internal respiration
Which of the following vessel type surrounds the alveoli? - (correct answer)
Capillaries
Newly oxygenated blood returns to the heart through which vessels? - (correct
answer) Pulmonary veins
Fertilization typically occurs in the _________________. - (correct answer)
Fallopian tube
The lowest section of the uterus, which expands to expel a baby, is called the
_____________. - (correct answer) Cervix
In a healthy pregnancy, a fertilized egg travels down the ________________ and
implants in the ___________________. - (correct answer) Fallopian tube, uterus
What is the correct path of sperm from the site of spermatogenesis to ejaculation? -
(correct answer) Testes, epididymis, vas deferens, urethra
The majority of semen volume consists of _____________________. - (correct
answer) Secretions from the seminal vesicles
Sperm are made and stored in the testes until they are ejaculated - (correct answer)
False (stored in the epididymis)
, Spermatogenesis is arrested until puberty because levels of which hormone are too
low? - (correct answer) FSH (Follicle-stimulating hormone)
Ovulation is directly triggered by which of the following hormones? - (correct answer)
LH (Luteinizing Hormone)
Progesterone is secreted by the ________________ and
_____________________________. - (correct answer) Corpus luteum, stimulates
endometrial thickening
Oocytes form in the _______________. - (correct answer) Ovaries
The widening of a female's hips at puberty is directly caused by which of the following? -
(correct answer) Higher levels of estrogen
Which of the following hormones directly promotes the maturation of a follicle in the
ovary? - (correct answer) FSH (Follicle-stimulating hormone)
Estrogen is made and secreted by the _________________. - (correct answer)
Corpus luteum
_______________________ provide nutrients to developing sperm cells. - (correct
answer) Sertoli cells
What would be expected to occur following a drop in progesterone levels in a young
woman? - (correct answer) She would menstruate
The layer of the uterus that functions to expel the baby during childbirth is the -
(correct answer) Myometrium
Which neurotransmitter is released into the neuromuscular junction in skeletal muscle? -
(correct answer) Acetylcholine
The part of the muscle cell that contains neurotransmitter receptors is the
______________. - (correct answer) Motor end plate
Calcium is released from which muscle cell structure following an electrical impulse
from a motor neuron? - (correct answer) Sarcoplasmic reticulum
What is the function of the transverse tubules? - (correct answer) To allow an action
potential to spread to the inside of the muscle cell of the muscle cell
Which structure conducts action potentials into the interior of a muscle cell? - (correct
answer) T-tubules
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