A 35-year-old woman complains of drooping eyelids, weakness in her limbs, and poor physical endurance. What is a likely cause of her symptoms?

A. Duchenne muscular dystrophy
B. Tetanus
C. Botulism
D. Myasthenia gravis
E. Poisoning by curare


D. Myasthenia gravis

Anatomy & Physiology

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Janet is homozygous dominant for the wild-type allele of the gene that when mutant

causes cystic fibrosis. Her brother Henry is a heterozygote. They both do not have the disease cystic fibrosis. Indicate whether the statement is true or false

Anatomy & Physiology

Articular cartilage

A. is a double layer of tissue that encloses a joint. B. is a thin lubricating film covering the surface of a joint. C. provides a smooth surface where bones meet. D. is a layer of tissue that is continuous with the periosteum. E. lines the joint everywhere except over the articular cartilage.

Anatomy & Physiology

Which of the following is involved in breaking up old erythrocytes and disposing of the cellular remains?

A. Stomach B. Heart C. Bone marrow D. Lungs E. Spleen

Anatomy & Physiology

______________ is the inability to smell.

Fill in the blank(s) with the appropriate word(s).Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology