Questions: The guaranteed insurability rider: a. Guarantees that the policy will remain in force b. Guarantees that interest rates will increase throughout the policy c. Allows the insured to buy specified amounts of additional insurance d. Requires annual check ups to make sure the insured is still healthy

The answer is the third one (c): Allows the insured to buy specified amounts of additional insurance.

Explanation for each option:

a. Guarantees that the policy will remain in force - This is incorrect. The guaranteed insurability rider does not ensure that the policy will remain in force. Instead, it allows the policyholder to purchase additional insurance without proving insurability.

b. Guarantees that interest rates will increase throughout the policy - This is incorrect. The guaranteed insurability rider does not relate to interest rates. It is concerned with the ability to purchase additional insurance.

c. Allows the insured to buy specified amounts of additional insurance - This is correct. The guaranteed insurability rider allows the policyholder to purchase additional insurance coverage at specified times without undergoing a medical exam or proving insurability.

d. Requires annual check ups to make sure the insured is still healthy - This is incorrect. The guaranteed insurability rider does not require annual check-ups. It allows for the purchase of additional insurance without proving insurability, regardless of the insured's health status at the time of purchase.

In summary, the guaranteed insurability rider primarily provides the option to buy more insurance at certain points without needing to prove insurability, making option c the correct choice.