Human Anatomy and Physiology Practice Test 5

Which of the following is not correctly paired?

When LDL enters cells by receptor-mediated endocytosis, which of the following does not occur?

Thirst is stimulated by

Which of the following is most likely involved in production of LTP?

After falling down a flight of stairs, a young woman is found to have partial loss of voluntary movement on the right side of her body and loss of pain and temperature sensation on the left side below the midthoracic region. It is probable that she has a lesion

Postrotatory nystagmus is caused by continued movement of

In an experiment, a scientist treats a group of mice with an antiserum that substantially depletes the number of circulating neutrophils. Compared with untreated control animals, the mice with reduced numbers of neutrophils were found to be significantly more susceptible to death induced by bacterial inoculation. The increased mortality can be ascribed to a relative deficit in which of the following?

A 31-year-old female is a smoker who has had poor oral hygiene for most of her life. In the past few years she has noticed a reduced sensitivity to the flavors in various foods which she used to enjoy eating. Which of the following is not TRUEabout gustatory sensation?

Which of the following is not a steroid?

A 40-year-old woman comes to her primary care clinician complaining of nervousness and an unexplained weight loss of 20 pounds over the past 3 months despite her impression that she is eating all the time. On physical examination, her eyes are found to be protruding, her skin is moist and warm, and her fingers have a slight tremor. Compared to a healthy individual, a biopsy of her thyroid gland would most likely reveal which of the following:

A 37-year-old female was diagnosed with multiple sclerosis. One of the potential consequences of this disorder is diminished taste sensitivity. Taste receptors

When dynamic ?-motor neurons are activated at the same time as ?-motor neurons to muscle,

The membrane potential of a particular cell is at the K+ equilibrium. The intracellular concentration for K+ is at 150 mmol/L and the extracellular concentration for K+ is at 5.5 mmol/L. What is the resting potential?

A 27-year-old man suffered a traumatic brain injury as a result of a motorcycle accident. He was unconscious and was rushed to the emergency department of the local hospital. A CT scan was performed and appropriate interventions were taken. About 6 months later he still had memory deficits. Which of the following is correctly paired to show the relationship between a brain area and a type of memory?

The action potential of skeletal muscle

In a healthy, alert adult sitting with their eyes closed, the dominant EEG rhythm observed with electrodes over the occipital lobes is

A mouse is engineered to lack a transcription factor necessary for the normal development of osteoclasts. Compared to normal littermate mice, which of the following would be reduced in the knock-out animals?

Which of the following would be least affected by injections of TSH?

A young man presents with a blood pressure of 175/110 mm Hg. He is found to have a high circulating aldosterone but a low circulating cortisol. Glucocorticoid treatment lowers his circulating aldosterone and lowers his blood pressure to 140/85 mm Hg. He probably has an abnormal

If a young woman has high plasma levels of T3 , cortisol, and renin activity but her blood pressure is only slightly elevated and she has no symptoms or signs of thyrotoxicosis or Cushing syndrome, the most likely explanation is that