13-16 TRUE AND FALSE
Normal quiet breathing, known as tidal volume, is around 500 mL of air
TRUE
One primary spermatocyte will undergo meiosis to ultimately form four sperm.
TRUE
Oocytes are carried toward the uterus by both cilia and peristalsis.
TRUE
Ovaries contain many tiny saclike structures called ovarian follicles, each of which consists of an immature egg surrounded by one or more layers of follicle cells.
TRUE
Ovulation occurs when a vesicular (Graafian) follicles releases an egg.
TRUE
Ovulation usually occurs on or about day 14 of the menstrual cycle.
TRUE
Progesterone is produced by the corpus luteum and is needed for maintenance if a female becomes pregnant.
TRUE
Sexually transmitted infections (STIs) are primarily infections of the reproductive tracts but may also cause urinary tract infections.
TRUE
Sperm swim are sluggish in an acidic environment below a pH of 6.
TRUE
Sudden inspirations resulting from spasms of the diaphragm are hiccups.
TRUE
The acrosome helps a sperm penetrate the follicle cells that surround the egg.
TRUE
The amount of air that can be forcibly inhaled over the tidal volume is around 3100 mL.
TRUE
The bronchioles are the smallest of the conducting passageways in the lungs.
TRUE
The bulbourethral glands are located inferior to the prostate gland and produce a clear mucous secretion that aids lubrication during sexual intercourse.
TRUE
The cervix typically dilates to about 10 cm during the dilation stage of labor.
TRUE
The ciliated cells of the nasal mucosa propel contaminated mucus posteriorly toward the pharynx
TRUE
The cyclic changes that occur monthly in the ovary constitute the ovarian cycle.
TRUE
The diamond-shaped region of a female's external genitalia found between the anterior end of the labial folds, the anus posteriorly, and the ischial tuberosities is called the perineum.
TRUE
The ejaculatory duct passes through the prostate gland.
TRUE
The emergency surgical opening of the trachea is called a tracheostomy.
TRUE
The external genitalia of a female is also called the vulva.
TRUE
The function of the C-rings of hyaline cartilage in the trachea is to keep the airway patent or open for breathing.
TRUE
The general term for inadequate oxygen delivery to body tissues regardless of the cause is called hypoxia.
TRUE
The internal urethral sphincter is involuntary.
TRUE
The kidneys are situated in a retroperitoneal position and found between the T12 and L3 vertebrae.
TRUE
The larynx routes air and food into their proper channel and plays an important role in speech production.
TRUE
The lumen surfaces of the tubule cells within the proximal convoluted tubule are covered with microvilli.
TRUE
The males testes have both an endocrine and an exocrine function.
TRUE
The most important trigger for aldosterone release is the renin-angiotensin mechanism, mediated by therenal tubules
TRUE
The parietal pleura is superficial to the visceral pleura.
TRUE
The pigment that gives urine its characteristic yellow color is urochrome.
TRUE
The placenta and its attached fetal membranes, delivered during the placental stage of labor, are called the afterbirth.
TRUE
The portion of the pharynx continuous with the mouth is termed the oropharynx.
TRUE
The process of breathing is known as pulmonary ventilation.
TRUE
The process of childbirth is known as parturition.
TRUE
The rapid mitotic cell division that occurs after the fertilization of an egg is known as cleavage
TRUE
The respiratory membrane is the air-blood barrier, where gases are exchanged.
TRUE
The respiratory zone includes the respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli.
TRUE
The tiny filtering structures of the kidneys are called nephrons.
TRUE
The urethra, which carries urine exiting the bladder by peristalsis, is typically shorter in females than in males.
TRUE
Tubular secretion, which seems to be important for removal of substances not already in the filtrate, is essentially reabsorption in reverse.
TRUE
Venous blood in systemic circulation is poorer in oxygen and richer in carbon dioxide.
TRUE
Wheezing is a whistling sound associated with diseased respiratory tissue, mucus, or pus.
TRUE
When a woman is not pregnant, the endometrial lining of the uterus is sloughed off about every 28 days.
TRUE
The lungs of the fetus are filled with air late in pregnancy.
FALSE
The nasal cavity is separated from the oral cavity by the nasal conchae
FALSE
The peritubular capillary bed arises from the afferent arteriole.
FALSE
The portion of the male urethra that is surrounded by the prostate is called the membranous urethra.
FALSE
The region of the renal tubule closest to the glomerular capsule is the distal convoluted tubule.
FALSE
The tonsils are located in the larynx.
FALSE
The two functional areas of the blastocyst are the morula and the trophoblast.
FALSE
There are only three paranasal sinuses located in the frontal, sphenoid, and parietal bones
FALSE
Tubular reabsorption begins in the glomerulus.
FALSE
Urine and sperm are able to pass through the urethra at the same time.
FALSE
Urine moves down the ureters into the bladder due to gravitational pull alone.
FALSE
Viable sperm cannot be produced at temperatures below body temperature.
FALSE
When a year has passed without menstruation, a woman has reached menarche.
FALSE
When blood pH becomes too acidic, the tubule cells of the kidneys excrete bicarbonate ions and retainhydrogen ions
FALSE
The fluid stored inside cells is referred to as extracellular fluid (ECF).
FALSE
The hormone that causes secondary sex characteristics in males is progesterone.
FALSE
The innermost layer of the uterus is called the myometrium.
FALSE
The involuntary internal urethral sphincter is composed of skeletal muscle.
FALSE
The lungs are housed in the mediastinum of the thoracic cavity
FALSE
A diet rich in proteins such as eggs, cheese, and whole-wheat products produces urine with an alkaline pH.
FALSE
A person with arterial blood pH above 7.45 is said to have acidosis.
FALSE
According to the laws of diffusion, movement of a respiratory gas occurs toward the area of higher concentration of that particular respiratory gas.
FALSE
Antidiuretic hormone (ADH) causes increased water loss through the urine.
FALSE
Bronchial sounds are produced as air fills the alveoli of the lungs.
FALSE
Changes in oxygen levels in the blood are the most important stimuli for breathing in a healthy person.
FALSE
Each main (primary) bronchus enters the lung at the apex.
FALSE
Excess blood plasma in the bloodstream initiates the thirst mechanism to restore fluid balance.
FALSE
In a female, the labia minora are two outer, hair-covered folds of skin that enclose the delicate, hair-free folds called the labia majora.
FALSE
Inspiration results when the diaphragm and external intercostal muscles relax.
FALSE
Oocytes are viable for 48-72 hours once ovulated from the ovary.
FALSE
Ovulation occurs during the secretory phase of the uterine (menstrual) cycle.
FALSE
Sperm are matured and ejaculated from the epididymis and ductus (vas) deferens during ejaculation
FALSE
Spermatids are functional sperm.
FALSE
The "guardian of the airways" that prevents food from entering the superior opening of the larynx is the thyroid cartilage
FALSE
The endoderm gives rise to the nervous system and the epidermis of the skin.
FALSE
Most reabsorption occurs in the proximal convoluted tubule of the nephron.
TRUE
A primary oocyte undergoes meiosis and produces a secondary oocyte and a polar body
TRUE
An erection results from blood filling the spongy erectile tissues of the penis.
TRUE
Beginning at the ninth week of development, the embryo is referred to as a fetus.
TRUE
Blood proteins and blood cells are too large to pass through the filtration membrane and should not be found in filtrate.
TRUE
Carbon dioxide is most commonly transported as the bicarbonate ion in the blood.
TRUE
Estrogens cause the appearance of secondary sex characteristics in females.
TRUE
Expiration occurs when the thoracic and intrapulmonary volumes decrease and the intrapulmonary pressure increases.
TRUE
Hyperpnea results from exercise when breathing becomes deeper and more vigorous.
TRUE
Hypertrophy of the prostate gland makes urination quite difficult for males.
TRUE
Incontinence is often the final outcome of the urinary system during the aging process.
TRUE