A three-year-old presents to the clinic with watery loose stools. The foster father reveals that the child has been in daycare and had a mild runny nose and cough three (3) days ago. Yesterday, the patient developed a low grade fever (100.80F) and began vomiting, and today the patient has had a few loose stools. The the emesis is non-bilious and the stools have had no blood or mucous. He has not been swimming in any fresh water pools or ponds.  The patient’s immunization status is unknown. What is the most likely underlying cause of this illness?

Type the best answer into the text box below: A tumor located in a neural region called the [blank] will specifically affect the swallowing reflex.

This section of a neuron must contain voltage-gated Ca2+ channels.

The surface of a skeletal muscle cell is specialized for strength and to conduct action potentials.  This is why it technically called the ______, rather than just the “plasma membrane”.

The torque in a shaft rotating at 200 radians/second is 550 ft lbs.  What is the power delivery in horsepower?  Do not include units in your answer.

A student isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. When she adds some DNA to the mixture, replication occurs, but each DNA molecule consists of a normal strand paired with numerous segments of DNA a few hundred nucleotides long. What has she probably left out of the mixture? 

These are the only immune cells that have access to the central nervous system. Type the best answer in the text box below:

This question requires uploaded work.  You will upload the work for this question after completing the test to the assignment in Canvas called “Test 3 Uploaded Work”.  TYPE YOUR FINAL ANSWER HERE using the equation editor if needed (it is accessed using the button that has a square root of x on it).  Your typed answer must match your uploaded work to receive credit for the question.   I’m working on decorating my island in the game Animal Crossing.  I want to create a rectangular enclosure that has an area of 13.5 square units by using  a flower border around the outside.  I also want to divide it in half with a  a line of flowers down the middle of the enclosure and parallel to one of the sides.  If the flowers are exactly one unit long and  cost 5 Bells (that is the unit for money in Animal Crossing), what is the minimum amount the flower border (including the line of flowers down the middle) will cost?

Given the free body diagram of the mated gears shown in Question 3, what is the actual direction of torque acting on gear B (TB)?

When sympathetic activity increases around the body, all arterioles and veins will constrict to help increase blood pressure.