Exam 1: Cytoplasm

A 77-year-old female is having problems sleeping, and her physician prescribed flurazepam, a sleep aid. The patient reports that she feels "groggy" for about 2 days after having taken the drug. Flurazepam is

Dynein arms are always attached to one of the following. Which one is that structure?

A two-week-old infant was seen by her pediatrician because of blistering of the fingers and the back of her hands. The blisters were quite large and the results of the biopsy indicated that blistering occurred in the basal layer of the epidermis. The diagnosis was epidermolysis bullosa simplex. This disease is caused by mutations in the

A patient with Kartagener's syndrome has a genetic disorder that is known to

The component of the erythrocyte cell membrane that is the most essential in maintaining its biconcave disc shape is

A 20-year-old male seeking help from his ophthalmologist presents with deteriorating vision in both eyes, especially his central vision. The patient also evidences cardiac dysrythmia and an apparent demyelination of the optic nerve. The ophthalmologist suspects Leber's hereditary optic neuropathy, a condition caused by a point mutation that is not X-linked but is transmitted only by females. This condition is due to problems with which of the following?

A patient who is unable to metabolize long-chain fatty acids has problems involving her

Integrins are associated with which of the following structures?

A 55-year-old patient was placed on tetracycline therapy and a week later returns to the physician, indicating that the antibiotic did not alleviate his symptoms. During their conversation the physician determines that the patient took the tetracycline capsules with milk. Which of the following components of milk interfered with theaction of the drug?

A patient who had surgery for ovarian cancer is placed on a combination of cisplatin and taxol therapy. Taxol is an antimitotic agent that

The fluidity of the plasmalemma has well-established clinical significance. Which of the following molecules decreases the cell membrane fluidity?

A patient suffering from asthma has difficulty breathing and is treated with albuterol and ipratropium, drugs that relax bronchiolar smooth muscles. Ipratropium acts as a(n)

A six-month-old baby boy, when seen by his pediatrician,, exhibits an enlarged tongue and an enlarged liver. Additionally, the baby has problems with swallowing. The pediatrician should suspect that the child is suffering from

Which of the following refers to cadherins?

Patients with sickle cell anemia possess hemoglobin-s, a mutated form of hemoglobin. Hemoglobin-s is

A patient with lymphoma that involves his small intestines is treated with a various chemotherapeutic agents, including vincristine. This antimitotic substance acts on

In Fig. Img_002, the collecting tubule of the kidney, water enters the lumen via

In Fig. Img_001, the region at the arrow tip is the place where

A patient suffering from asthma has difficulty breathing and is treated with albuterol, a drug that relaxes bronchiolar smooth muscles. Albuterol acts as a(n)

In Fig. Img_004, the structure at the tip of the arrow is responsible for which of the following?