Human anatomy worksheet with answers

In which region of the abdomen is the spleen found?

1. ALeft upper quadrant
2. BRight upper quadrant
3. CLeft lower quadrant
4. DRight lower quadrant

Where are the smallest bones of the human body found?

1. AIn the middle ear
2. BIn the wrist
3. CIn the toes
4. DIn the nose

Which muscle on the front of the upper arm flexes the elbow?

1. ADeltoid
2. BTriceps brachii
3. CBiceps brachii
4. DBrachioradialis

Which type of epithelium lines most of the trachea?

1. AStratified squamous epithelium
2. BTransitional epithelium
3. CPseudostratified ciliated columnar epithelium
4. DSimple cuboidal epithelium

The circle of Willis at the base of the brain connects which two arterial supplies?

1. AJugular and vertebral systems
2. BExternal carotid and subclavian arterial systems
3. CLeft and right external carotid arteries
4. DInternal carotid and vertebrobasilar systems

Where does the spinal cord normally end in an adult?

1. AAt about the level of vertebrae L1–L2
2. BAt the level of the sacrum
3. CAt the coccyx
4. DAt about the level of T10

Why can an inflamed gallbladder that irritates the diaphragm cause pain at the tip of the right shoulder?

1. AThe phrenic nerve shares spinal segments C3–C5 with the skin of the shoulder
2. BThe vagus nerve supplies the skin of the shoulder
3. CThe gallbladder is attached to the right clavicle
4. DBile travels up the lymphatics to the shoulder

Injury to the common fibular (peroneal) nerve at the neck of the fibula typically causes:

1. AInability to flex the knee
2. BLoss of sensation on the sole of the foot
3. CWeak hip abduction
4. DFoot drop