Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
A nurse is caring for a client with impaired renal function and is reviewing the processes involved in urine formation. Which of the following statements best describes the process of tubular secretion in the nephron?
A. Tubular secretion involves the reabsorption of substances from the renal tubules into the peritubular capillaries.
Tubular secretion involves the reabsorption of substances from the renal tubules into the peritubular capillaries.: That describes reabsorption, the opposite of secretion.
B. Tubular secretion is a passive process that occurs in the glomerulus, allowing the filtration of waste products.
Tubular secretion is a passive process that occurs in the glomerulus, allowing the filtration of waste products.: Filtration in the glomerulus is a separate, largely passive process; tubular secretion is an active transport process occurring in the renal tubules.
C. Tubular secretion is the movement of substances from the blood in the peritubular capillaries into the renal tubules.
Tubular secretion is the movement of substances from the blood in the peritubular capillaries into the renal tubules.: This correctly describes tubular secretion (e.g., H⁺, K⁺, drugs) .
D. Tubular secretion primarily occurs in the Bowman's capsule, facilitating the selective reabsorption of essential nutrients.
Tubular secretion primarily occurs in the Bowman's capsule, facilitating the selective reabsorption of essential nutrients.: Bowman's capsule is the site of filtration, not tubular secretion; selective reabsorption occurs later in the tubules.
This question is an excerpt from Nurse Dive's nursing test bank - HUMAN ANATOMY AND PHYSIOLOGY II PROCTORED EXAM (ARIZONA COLLEGE). Take the full exam now
Full Explanation
A. Tubular secretion involves the reabsorption of substances from the renal tubules into the peritubular capillaries.: That describes reabsorption, the opposite of secretion.
B. Tubular secretion is a passive process that occurs in the glomerulus, allowing the filtration of waste products.: Filtration in the glomerulus is a separate, largely passive process; tubular secretion is an active transport process occurring in the renal tubules.
C. Tubular secretion is the movement of substances from the blood in the peritubular capillaries into the renal tubules.: This correctly describes tubular secretion (e.g., H⁺, K⁺, drugs) .
D. Tubular secretion primarily occurs in the Bowman's capsule, facilitating the selective reabsorption of essential nutrients.: Bowman's capsule is the site of filtration, not tubular secretion; selective reabsorption occurs later in the tubules.
Similar Questions
Unless fertilization occurs, the corpus luteum becomes scar tissue, which is known as the
A. Corona radiata
Corona radiata: The corona radiata is a layer of follicular (granulosa) cells that surround the oocyte -not scar tissue from a regressed corpus luteum.
B. Zona pellucida
Zona pellucida: The zona pellucida is a glycoprotein layer surrounding the oocyte important for fertilization, not scar tissue.
C. Internal os
Internal os: The internal os is the internal opening of the cervix into the uterus, unrelated to the corpus luteum.
D. Corpus albicans
Corpus albicans: The corpus albicans is the fibrous scar tissue that the corpus luteum becomes if fertilization does not occur .
Full Explanation
A. Corona radiata: The corona radiata is a layer of follicular (granulosa) cells that surround the oocyte -not scar tissue from a regressed corpus luteum.
B. Zona pellucida: The zona pellucida is a glycoprotein layer surrounding the oocyte important for fertilization, not scar tissue.
C. Internal os: The internal os is the internal opening of the cervix into the uterus, unrelated to the corpus luteum.
D. Corpus albicans: The corpus albicans is the fibrous scar tissue that the corpus luteum becomes if fertilization does not occur .
The labia minora and labia majora are parts of which aspect of the female anatomy?
A. Uterus
Uterus: The uterus is an internal reproductive organ (the womb) and does not include the labia.
B. Fallopian tube
Fallopian tube: Fallopian (uterine) tubes are internal conduits for the oocyte; they are not the labia.
C. Vulva
Vulva: The vulva is the external female genitalia and includes the labia majora and labia minora .
D. Ovary
Ovary: The ovaries are internal gonads that produce oocytes and hormones; they are not the labia.
Full Explanation
A. Uterus: The uterus is an internal reproductive organ (the womb) and does not include the labia.
B. Fallopian tube: Fallopian (uterine) tubes are internal conduits for the oocyte; they are not the labia.
C. Vulva: The vulva is the external female genitalia and includes the labia majora and labia minora .
D. Ovary: The ovaries are internal gonads that produce oocytes and hormones; they are not the labia.
Which process involves the movement of oxygen from the blood into body cells and the exchange of carbon dioxide from cells into the blood?
A. Cellular metabolism
Cellular metabolism: Cellular metabolism refers to the chemical reactions inside cells that use O₂ and produce CO₂, but it does not describe the movement of gases between blood and cells.
B. Alveolar ventilation
Alveolar ventilation: Alveolar ventilation is the movement of air into and out of the alveoli (airways → lungs), not the exchange between blood and body cells.
C. External respiration
External respiration: External respiration is gas exchange between the alveoli and pulmonary capillaries (air and blood in the lungs), not between blood and tissues.
D. Internal respiration
Internal respiration: Internal respiration is the exchange of O₂ from the blood into body cells and CO₂ from the cells into the blood .
Full Explanation
A. Cellular metabolism: Cellular metabolism refers to the chemical reactions inside cells that use O₂ and produce CO₂, but it does not describe the movement of gases between blood and cells.
B. Alveolar ventilation: Alveolar ventilation is the movement of air into and out of the alveoli (airways → lungs), not the exchange between blood and body cells.
C. External respiration: External respiration is gas exchange between the alveoli and pulmonary capillaries (air and blood in the lungs), not between blood and tissues.
D. Internal respiration: Internal respiration is the exchange of O₂ from the blood into body cells and CO₂ from the cells into the blood .